English for all levels

Complete with the correct form (Present
Perfect Simple or Present Perfect Continuous):

 

1. 1. How long ...................... (you / learn) English?
   
   
   
2. 2. I ...................... (never / see) such a beautiful sunset.
   
   
   
3. 3. My hands are dirty because I ...................... (work) in the garden.
   
   
   
4. 4. Hospitals ...................... (introduce) new technology.
   
   
   
5. 5. Staff ...................... (learn) new skills and training sessions.